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212322 (2005 QM146)
Classification: Main-belt Asteroid          SPK-ID: 2212322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892654274327885 5.5514e-08  
a 3.09842076875984 3.3183e-08 au
q 2.51199683759388 1.7834e-07 au
i 16.88756081004533 7.9037e-06 deg
node 353.9203093954924 1.5715e-05 deg
peri 299.6927000919395 2.4232e-05 deg
M 273.7010621552214 1.8756e-05 deg
tp 2459478.042434616562
(2021-Sep-20.54243462)
0.00010699 TDB
period 1992.090293986903
5.45
3.2002e-05
8.762e-08
d
yr
n .1807147000749188 2.9031e-09 deg/d
Q 3.6848446999258 3.9464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-10-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:44:58  

Additional Information
 Earth MOID = 1.54543 au 
 Jupiter MOID = 1.86742 au 
 T_jup = 3.129 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO433387  

212322 (2005 QM146)          Discovered 2005-Aug-28 by Siding Spring Survey at Siding Spring
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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